diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Object-evalInGlobal-06.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Object-evalInGlobal-06.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+// Debugger.Object.prototype.evalInGlobal sets 'this' to the global.
+
+var dbg = new Debugger;
+var g1 = newGlobal();
+var g1w = dbg.addDebuggee(g1);
+
+assertEq(g1w.evalInGlobal('this').return, g1w);
+assertEq(g1w.evalInGlobalWithBindings('this', { x:42 }).return, g1w);